Dubois, Pennsylvania · field elev 1,817 ft
Density Altitude at Dubois Regional (KDUJ)
Dubois Regional sits at 1,817 ft, and even a typical July afternoon (79 °F) only lifts density altitude to about 3,544 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 24.5 | −75 ft | 31.5 | 415 ft |
| February | 26.8 | 87 ft | 34.7 | 636 ft |
| March | 35.2 | 670 ft | 44.2 | 1,282 ft |
| April | 47.2 | 1,483 ft | 57.8 | 2,181 ft |
| May | 57.4 | 2,155 ft | 68.2 | 2,849 ft |
| June | 65.1 | 2,652 ft | 75.4 | 3,302 ft |
| July | 69.1 | 2,906 ft | 79.3 | 3,544 ft |
| August | 67.7 | 2,817 ft | 77.9 | 3,458 ft |
| September | 61.0 | 2,388 ft | 71.0 | 3,026 ft |
| October | 50.1 | 1,676 ft | 59.4 | 2,285 ft |
| November | 39.2 | 944 ft | 46.9 | 1,463 ft |
| December | 29.8 | 297 ft | 36.3 | 746 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KDUJ
DENSITY ALTITUDE
Field elevation 1,817 ft — the air behaves like 3,526 ft.
- PRESSURE ALT
- 1,818 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Pennsylvania fields
- N35 — Punxsutawney Municipal
Punxsutawney · elev 1,445 ft
- KOYM — St Marys Municipal
St Marys · elev 1,934 ft
- KFIG — Clearfield-Lawrence
Clearfield · elev 1,516 ft
- KAXQ — Clarion County
Clarion · elev 1,458 ft
- 1N3 — Albert
Philipsburg · elev 1,784 ft
- KIDI — Indiana County/Jimmy Stewart Field
Indiana · elev 1,419 ft
- KBFD — Bradford Regional
Bradford · elev 2,143 ft
- KPSB — Mid-State
Philipsburg · elev 1,948 ft
Frequently asked questions
How high does density altitude get at KDUJ in summer?
On a typical July afternoon — around 79 °F at the nearest NOAA normals station — density altitude at Dubois Regional reaches roughly 3,544 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KDUJ on an average day?
It swings with the seasons: from roughly −75 ft at the coldest month's average temperature to about 2,906 ft at the warmest month's — all from a constant field elevation of 1,817 ft. The month-by-month table above carries the full year.
What is the field elevation of Dubois Regional?
1,817 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDUJ (ICAO) / DUJ (FAA), in Dubois, Pennsylvania.